Cavity and Porthole

Cavity

Cavity noun - A sunken area forming a separate space.

Porthole and cavity are semantically related. In some cases you can use "Porthole" instead a noun "Cavity".

Porthole

Porthole noun - A window in a ship or airplane.
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Synonyms for Porthole

Cavity and porthole are semantically related. Sometimes you can use "Cavity" instead a noun "Porthole".
Cite this Source
Porthole and Cavity. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/cavity/porthole
Cavity & Porthole. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/cavity/porthole>.
Porthole or Cavity. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/cavity/porthole.
Google Ngram Viewer shows how "cavity" and "porthole" have occurred on timeline